About product and suppliers:
            1,008 positive displacement oil pump products are offered for sale by suppliers on Alibaba.com, of which pumps accounts for 81%. 

A wide variety of positive displacement oil pump options are available to you, such as low pressure, high pressure. You can also choose from gear pump, single-stage pump, and piston pump positive displacement oil pump

There are 1,001 suppliers who sells positive displacement oil pump on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, India, and Singapore, from which the percentage of positive displacement oil pump supply is 93%, 1%, and 1% respectively. 

Positive displacement oil pump products are most popular in Indonesia, Vietnam, and United States.